👉 Merchant math is a specialized branch of mathematics tailored for financial transactions, particularly in e-commerce and digital payments. It simplifies complex calculations like discounts, taxes, and shipping fees into clear, easy-to-understand formulas, ensuring accuracy and efficiency. For example, it calculates total prices by combining base costs, discount percentages (often as decimals), tax rates, and shipping charges, often using formulas like Total Price = (Base Price × (1 - Discount Rate)) + Tax Rate × Base Price. This approach avoids convoluted manual computations, reduces errors, and streamlines pricing strategies for merchants. By standardizing these calculations, merchant math supports scalable online businesses, making it essential for managing profitability and customer satisfaction in the digital economy.